CVE-2018-11212

Se ha descubierto un problema en libjpeg 9a y 9d. La función alloc_sarray en jmemmgr.c permite que los atacantes remotos provoquen una denegación de servicio (error de división entre cero) mediante un archivo manipulado.

A divide by zero vulnerability has been discovered in libjpeg-turbo in alloc_sarray function of jmemmgr.c file. An attacker could use this vulnerability to cause a denial of service via a crafted file.

It was discovered that Libjpeg6b was not properly performing bounds checks when compressing PPM and Targa image files. An attacker could possibly use this issue to cause a denial of service. Chijin Zhou discovered that Libjpeg6b was incorrectly handling the EOF character in input data when generating JPEG files. An attacker could possibly use this issue to force the execution of a large loop, force excessive memory consumption, and cause a denial of service.